Nondestructive pollution exposure assessment in the european hedgehog (Erinaceus europaeus): III. hair as an indicator of endogenous organochlorine compound concentrations
Identifieur interne : 000819 ( Main/Exploration ); précédent : 000818; suivant : 000820Nondestructive pollution exposure assessment in the european hedgehog (Erinaceus europaeus): III. hair as an indicator of endogenous organochlorine compound concentrations
Auteurs : Helga D'Havé [Belgique] ; Jan Scheirs [Belgique] ; Adrian Covaci [Belgique] ; Paul Schepens [Belgique] ; Ron Verhagen [Belgique] ; Wim De Coen [Belgique]Source :
- Environmental Toxicology and Chemistry [ 0730-7268 ] ; 2006-01.
English descriptors
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Abstract
Concentrations of organochlorine persistent pollutants were investigated in tissues of the European hedgehog (Erinaceus europaeus). Road kills and carcasses from wildlife rescue centers were used to characterize organochlorine compound tissue distribution and tissue profile dissimilarities (hair, liver, kidney, muscle, and adipose tissue). The most important contaminants were polychlorinated biphenyls (PCBs), chlordanes (CHLs), and DDTs, with median concentrations of 75, 5.1, and 1.4 ng/g liver wet weight, respectively. Median levels for the remaining compounds—hexachlorobenzene (HCB), hexachlorocyclohexanes (HCHs), and octachlorostyrene—were less than 0.5ng/gliver wet weight. Compared to results with other mammalian wildlife, the present results indicate that hedgehogs may accumulate considerable concentrations of organochlorine compounds. Polychlorinated biphenyls and HCB preferably accumulated in liver and muscle tissue. Concentrations of DDTs and HCHs were highest in muscle tissue and hair, respectively. Octachlorostyrene and CHL levels were predominant in liver. The observed positive relationships between concentrations in hair and internal tissues for PCBs, DDTs, HCB, HCHs, and CHLs (0.49 < r < 0.91) and for several individual PCB, DDT, and CHL compounds (0.31 < r < 0.76) indicate the usefulness of hair as a biomonitoring tool of organochlorine compounds. Multivariate profile analyses revealed a higher dominance of less‐persistent compounds (p,p′‐DDT, α‐HCH, and PCBs 95, 101, and 149) in hair compared to internal tissues. The present study demonstrates the suitability of hedgehog hair as a nondestructive biomonitoring tool regarding pollution with organochlorine compounds and the promising role of the hedgehog as a mammalian indicator species of pollution in terrestrial environments.
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DOI: 10.1897/05-208R.1
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Road kills and carcasses from wildlife rescue centers were used to characterize organochlorine compound tissue distribution and tissue profile dissimilarities (hair, liver, kidney, muscle, and adipose tissue). The most important contaminants were polychlorinated biphenyls (PCBs), chlordanes (CHLs), and DDTs, with median concentrations of 75, 5.1, and 1.4 ng/g liver wet weight, respectively. Median levels for the remaining compounds—hexachlorobenzene (HCB), hexachlorocyclohexanes (HCHs), and octachlorostyrene—were less than 0.5ng/gliver wet weight. Compared to results with other mammalian wildlife, the present results indicate that hedgehogs may accumulate considerable concentrations of organochlorine compounds. Polychlorinated biphenyls and HCB preferably accumulated in liver and muscle tissue. Concentrations of DDTs and HCHs were highest in muscle tissue and hair, respectively. Octachlorostyrene and CHL levels were predominant in liver. 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